Yamakawa MR-240 - Manual (Page 13)

13
Mass Storage PC Connection
CAUTION:
ONLY UNPLUG THE USB CABLE WHEN ALL DOWNLOAD PROCEDURES
ARE COMPLETED.
Do not unplug the USB cable when the LCD is still displaying “USB writing”as
doing so may corrupt the files stored in the player and you will need to re-format
the MP3 player. If the player encounters abnormal interruption during recording
such as battery removal, you may also need to re-format it.